1921.] The Eighth Indian Science Congress. CCXX Ail? 
n seven years, Dr. Buchanan could only complete the 
survey of the then districts of Bihar, Patna, Shahabad, Bhagal- 
pur, Dinajpur, Gorakpur, Purnia, Rangpur and Assam. The 
materials thus collected in twenty-five folio volumes were 
forwarded to the home authorities in 1816. The volumes which 
etc., of the inhabitants. But, unfortunately, much of the eth- 
nographic material contained in these volumes have hitherto 
remained a sealed book, although three volumes of selections 
from these valuable Reports and Journals were published, in 
1838, by Montgomery Martin under the title of “The History, 
Antiquities, Topography and Statistics of Hastern India comp- 
rising the districts of Behar, Shahabad, Bhagulpoor, Goruck- 
poor, Dinajpoor, Puraniya, Rungpoor and Assam, in relation 
to their Geology, Mineralogy, Botany, Agriculture, Commerce, 
Manufactures, Fine Arts, Population, Religion, Education, 
Statistics, etc.” It is understood that the publication of the 
ethnographic material contained in Buchanan-Hamilton’s 
Journals is now under the consideration of the Secretary of 
‘to describe. among other things, the castes and tribes inhabiting 
different parts of India. But how meagre was the informa- 
tion that Hamilton could glean from all these sources available to 
him, may be seen from only one illustration. Chota Nagpur. 
aseverv student of Indian Ethnology now knows, is the home of a 
number of aboriginal and semi-aboriginal tribes besides several 
Hindu castes, But all the information that Walter Hamilton 
. 
could give us in 1820, was,—‘‘ The Khetauri, the Koeri, and 
of whom the author can name only two, namely, the Coles 
of Tamar (by which term apparently the Mundas are meant) 
